Increases the potency of your healing spells by up to 24%, based on the current health level of your target (lower health targets are healed for more).

Mastery: Deep Healing is a passive shaman ability learned at level 80 for those with the restoration specialization. It increases the potency of all healing spells, healing those with lower amounts of health for more.

Patch changes

Patch 4.1.0 (26-Apr-2011): Deep Healing now benefits all heals, not just direct heals.

Patch 4.0.6 (8-Feb-2011): Deep Healing (Mastery) has been increased to 3% per point, up from 2.5%.